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1) What is a bioindicator? What ecological and biological aspects make lichens good indicators of poor air quality? In the study by Cameron et al. (2007) what were the pros and cons of using lichens to access air quality? How might these issues be addressed in future research projects?
2) How do marsh lands function as source or sinks for carbon dioxide? Discuss how exchange rates differ seasonally. How might this information be used to formulate regulation of regional and/or global carbon dioxide emissions?
3) Discuss the role of bioindicators in accessing water quality. How might the type of water feature (ie marsh, saltwater estuary, lake, pond, etc.) influence the selection of a bioindicator? Which species, or group of species, might be best suited as aquatic bioindicators? Why? Discuss the rational for developing water quality criteria for specific organisms, ie frogs, would these organisms be useful in tracking eutrophication? Why/why not?
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Give one example of humans evolving over the past 10,000 years. Explain why and how evolution is take place?
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Perform visual comparison of the assigned two putatively related nucleic acid sequences x and y. Indicate in your answer the identities by 1s on match and 0s on mismatches. Also indicate mutations by the scoring indices S for transition and V for ..
A profressor in a second-term calculus course wants to determine whether the year in college has any effect on the performance of his students on their final exam.
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